[  518.431165] bond0: (slave eth0): making interface the new active one
[  518.431254] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.647772] bond0: (slave eth0): Releasing backup interface
[  522.763584] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.934083] bond0: (slave eth0): Releasing backup interface
[  526.977104] bond0 (unregistering): Released all slaves